Sudoku X puzzle 209 - Extreme Sudoku X 16x16

Posted on February 18, 2019


Looking for free online Sudoku X puzzles? Today we have another Sudoku X puzzle for you. It will give you a couple of minutes of entertainment.

Sudoku X puzzle 209 - Extreme Sudoku X 16x16

How to play Sudoku X: The goal of Sudoku X is to fill in the empty cells, one number in each, so that each column, row, region, and the two main diagonals contain each number exactly once.


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